// -*- mode: C++; c-file-style: "cc-mode" -*-
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2008 by Lane Brooks.
// SPDX-License-Identifier: CC0-1.0

#include VM_PREFIX_INCLUDE

VM_PREFIX *tb = nullptr;

double sc_time_stamp() { return 0; }

bool check() {
  bool pass;
  int c = (tb->A >> tb->SEL) & 0x1;
#ifdef TEST_VERBOSE
  bool verbose = true;
#else
  bool verbose = false;
#endif

  if (tb->W == c && tb->X == c && tb->Y == c && tb->Z == c) {
    pass = true;
    if (verbose)
      printf("-  pass: ");
  } else {
    pass = false;
    verbose = true;
    printf("%%E-FAIL: ");
  }
  if (verbose) {
    printf("SEL=%d A=%d   got: W=%d X=%d Y=%d Z=%d  exp: WXYZ=%d\n", tb->SEL,
           tb->A, tb->W, tb->X, tb->Y, tb->Z, c);
  }
  return pass;
}

int main() {
  bool pass = true;

  Verilated::debug(0);
  tb = new VM_PREFIX("tb");

  // loop through every possibility and check the result
  for (tb->SEL = 0; tb->SEL < 2; tb->SEL++) {
    for (tb->A = 0; tb->A < 4; tb->A++) {
      tb->eval();
      if (!check())
        pass = false;
    }
  }

  if (pass) {
    VL_PRINTF("*-* All Finished *-*\n");
    tb->final();
  } else {
    vl_fatal(__FILE__, __LINE__, "top",
             "Unexpected results from tristate test\n");
  }
  VL_DO_DANGLING(delete tb, tb);
  return 0;
}
